Product Introduction
The Yokogawa SAI143-H33 is an advanced analog input module designed for use in distributed control systems (DCS) within the Yokogawa CENTUM VP series. It is engineered to collect and process multiple analog signals from field devices, such as transmitters and sensors, with high accuracy and reliability. The module supports multiple input types including voltage and current, making it suitable for complex process control applications in industries such as oil & gas, chemical, power generation, and water treatment.
Designed with Yokogawa’s hallmark precision and durability, the SAI143-H33 plays a critical role in real-time process monitoring and feedback systems. Its design ensures electrical isolation, robust channel integrity, and long-term operational stability even in harsh industrial conditions.
Technical Specifications
| Parameter | Details |
|---|---|
| Model Number | SAI143-H33 |
| Module Type | Analog Input Module |
| Number of Channels | 16 channels |
| Input Type | 4-20 mA DC, 1-5 V DC |
| Input Signal Range | 0-20 mA, 1-5 V, 0-10 V (configurable) |
| Input Resistance | 250 Ω (current input) |
| Isolation | Channel-to-channel and system isolation |
| Accuracy | ±0.1% of span or better |
| Resolution | 16 bits |
| Power Supply Voltage | Supplied from I/O power supply (24 VDC) |
| Power Consumption | 5.0 W |
| Operating Temperature | 0 to 50°C |
| Storage Temperature | -20 to +70°C |
| Humidity | 5% to 95% RH (non-condensing) |
| Dimensions | 130 x 107.5 x 32.8mm |
| Weight | 0.34 kg |
| Mounting | Mounted on baseplate or within rack |
| Certification | CE, CSA, ATEX (varies by batch) |
Product Applications
The Yokogawa SAI143-H33 is widely applied across process automation industries where accurate and stable analog signal acquisition is required. Some key application scenarios include:
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Oil & Gas: Monitoring pressure and flow transmitters across pipelines and refineries.
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Chemical Plants: Handling sensitive analog signals from pH sensors, flowmeters, and temperature transmitters.
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Power Generation: Measuring analog inputs from turbines, boilers, and steam cycle components.
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Water Treatment: Managing level, pressure, and flow sensors across treatment stages.
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Pharmaceuticals: Acquiring precision analog values for strict process control in batch production.
Product Advantages
The SAI143-H33 offers several advantages that make it a preferred choice in mission-critical applications:
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High-Density Channel Support: 16 channels per module, reducing system footprint and cost.
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Wide Signal Compatibility: Accepts both current and voltage inputs with configurable ranges.
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Industrial-Grade Reliability: Designed for continuous operation in demanding environments.
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High Accuracy & Resolution: Ensures signal fidelity and precise process control.
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Robust Electrical Isolation: Enhances safety and prevents signal interference between channels.
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Seamless Integration: Fully compatible with Yokogawa’s CENTUM VP systems.
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Low Power Consumption: Efficient design with minimal energy requirements.
Frequently Asked Questions (FAQs)
Q1: What types of signals does the SAI143-H33 support?
A1: It supports analog signals including 4–20 mA DC, 0–10 V DC, and 1–5 V DC.
Q2: How many input channels are available on this module?
A2: The module features 16 independent analog input channels.
Q3: Is the SAI143-H33 suitable for hazardous environments?
A3: Yes, versions of this module comply with ATEX and CSA certifications for hazardous area installation.
Q4: What is the module’s accuracy rating?
A4: It offers an accuracy of ±0.1% of span, suitable for precise measurements.
Q5: Can the module inputs be mixed between voltage and current types?
A5: Yes, the input type is configurable per channel, supporting flexible deployment.
Q6: What kind of isolation is provided?
A6: Each channel is electrically isolated from others and from the system bus.
Q7: How is the module powered?
A7: It is powered through a 24 VDC I/O power supply connected to the base.
Q8: Is it hot-swappable?
A8: No, power should be turned off before inserting or removing the module.
Q9: What DCS systems is it compatible with?
A9: It is designed for use with Yokogawa’s CENTUM VP and earlier CENTUM CS 3000 systems.
Q10: What is the module’s installation method?
A10: It is installed into an I/O baseplate or rack system within the DCS cabinet.
Recommended Models from the Same Series or Related
| Model | Description |
|---|---|
| SAI143-H34 | Analog Input Module, enhanced version |
| SAI533-H33 | High-accuracy analog input (thermocouple) |
| SAI113-H53 | Analog input with redundant input support |
| SAI143-H50 | Analog Input, enhanced range support |
| SAI143-H03 | Analog Input for legacy systems |
| SAI143-H23 | Compact analog input, low power variant |
Popular Yokogawa Modules
| Model | Function | Channels | Signal Type | Dimensions (mm) | Weight (kg) |
|---|---|---|---|---|---|
| AAI143-H50 | High-performance analog input | 16 | 4–20 mA | 48×130×130 | 0.8 |
| AAI841-H00 | Analog output module | 8 | 4–20 mA | 48×130×130 | 0.75 |
| ADV151-P03 | Digital input module | 32 | 24 VDC | 48×130×130 | 0.65 |
| CP451-10 | CPU module for CENTUM VP | – | – | 80×130×160 | 1.2 |
| PW482-10 | Power supply module | – | 24 VDC input | 48×130×130 | 0.9 |
| AMN11 | Field control node communication module | – | Ethernet/Fieldbus | 60×130×150 | 1.1 |
Company Information
E-mail: [email protected]
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Add: Alishan Building, 2 Lvling Rd, Siming District, Xiamen, Fujian, China, 361006
Our services
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